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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000950170-23-009171
Filing Date
2023-03-22
Accepted
2023-03-22 16:06:56
Documents
1
Period of Report
2023-03-21

Document Format Files

Seq Description Document Type Size
1 4 ownership.html 4  
1 4 ownership.xml 4 11211
  Complete submission text file 0000950170-23-009171.txt   14435
Mailing Address ONE BROADWAY 14TH FLOOR CAMBRIDGE MA 02142
Business Address ONE BROADWAY 14TH FLOOR CAMBRIDGE MA 02142 617-441-1000
MERRIMACK PHARMACEUTICALS INC (Issuer) CIK: 0001274792 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations

Mailing Address 5900 WILSHIRE BLVD SUITE 650 LOS ANGELES CA 90036
Business Address 5900 WILSHIRE BLVD SUITE 650 LOS ANGELES CA 90036 310-929-4300
WESTERN STANDARD PARTNERS LP (Reporting) CIK: 0001450414 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-35409 | Film No.: 23752979

Mailing Address 5900 WILSHIRE BLVD SUITE 650 LOS ANGELES CA 90036
Business Address 5900 WILSHIRE BLVD SUITE 650 LOS ANGELES CA 90036 3107465639
Western Standard LLC (Reporting) CIK: 0001517666 (see all company filings)

State of Incorp.: CA
Type: 4 | Act: 34 | File No.: 001-35409 | Film No.: 23752981

Mailing Address 1507 BERKELEY ST SUITE 7 SANTA MONICA X1 90404
Business Address
Andersen Eric (Reporting) CIK: 0001517667 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-35409 | Film No.: 23752980

Mailing Address 5900 WILSHIRE BLVD SUITE 650 LOS ANGELES CA 90036
Business Address 5900 WILSHIRE BLVD SUITE 650 LOS ANGELES CA 90036 3109294300
Western Standard Partners QP, L.P. (Reporting) CIK: 0001544857 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-35409 | Film No.: 23752978